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National Security Education Center

Contacts

  • Institute Director
    Charles Farrar
    (505) 663-5330
  • UCSD EI Director
    Michael Todd
    (858) 534-5951
  • Institute Office Manager
    Jutta Kayser
    (505) 663-5649

Publications

Code and Calculation Verification

Brock, J.S., “ASC Verification Project Bibliography,” Internal Report, Los Alamos National Laboratory, Los Alamos, New Mexico, December 2005. LA-UR-05-9250. Report. (Size: 70 KBytes; PDF File.)

Hemez, F.M., “Non-linear Error Ansatz Models for Solution Verification in computational Physics,” Internal Report, Los Alamos National Laboratory, Los Alamos, New Mexico, October 2005. LA-UR-05-8228. Report. (Size: 1,185 KBytes; PDF File.)

Smitherman, D.P., Kamm, J.R., Brock, J.S., “Calculation Verification: Point-wise Estimation of Solutions and Their Method-associated Numerical Error,” Internal Report, Los Alamos National Laboratory, Los Alamos, New Mexico, October 2005. LA-UR-05-8002. Report. (Size: 3,807 KBytes; PDF File.)

Shengtai Li, S., Rider, W.J., Shashkov, M.J., “Two-dimensional Convergence Study for Problems With Exact Solution: Uniform and Adaptive Grids,” Internal Report, Los Alamos National Laboratory, Los Alamos, New Mexico, September 2005. LA-UR-05-7985. Report. (Size: 4,152 KBytes; PDF File.)

Data Analysis for Transient Waveforms

Hemez, F.M., Doebling, S.W., “From Shock Response Spectrum to Temporal Moments and Vice-versa,” Journal of Sound and Vibration, July 2003, Submitted.LA-UR-02-6790. Peer-reviewed. (Size: 509 KBytes; PDF File.)

Decision-Making for Science-Based Predictive Modeling

Hanson, K.M., Hemez, F.M., “A Framework for Assessing Confidence in Computational Predictions,” SEM Journal of Experimental Techniques, Vol. 25, No. 4, July-August 2001, pp. 50-55. LA-UR-01-3575. Peer-reviewed. (Size: 225 KBytes; PDF File.)

Hemez, F.M., “The Myth of Science-based Predictive Modeling,” National Institute of Aerospace, NASA Langley Research Center, Hampton, Virginia, October 6, 2004. LA-UR-04-4650. View-graphs. (Size: 2,450 KBytes; PDF File.)

Booker, J.M., Anderson, M.C., Doebling, S.W., Hemez, F.M., Joslyn, C.A., Reardon, B.J., Ross, T.J., Rutherford, A.C., “An Engineering Perspective on Uncertainty Quantification for Validation, Reliability, and Certification,” Foundations ’04 Workshop for Verification, Validation, and Accreditation (VV&A) in the 21st Century, Arizona State University, Tempe, Arizona, October 13-15, 2004. LA-UR-04-6670. Proceedings. (Size: 234 KBytes; PDF File.)

Hemez, F.M., “The Myth of Science-based Predictive Modeling,” Foundations ’04 Workshop for Verification, Validation, and Accreditation (VV&A) in the 21st Century, Arizona State University, Tempe, Arizona, October 13-15, 2004. LA-UR-04-6829. Proceedings. (Size: 1,191 KBytes; PDF File.)

Finite Element Modeling and Updating

Hemez, F.M., Doebling, S.W., “Review and Assessment of Model Updating for Nonlinear, Transient Dynamics,” Mechanical Systems and Signal Processing, Vol. 15, No. 1, January 2001, pp. 45-74. LA-UR-00-0091. Peer-reviewed. (Size: 950 KBytes; PDF File.)

Hemez, F.M., Doebling, S.W., “Formulation and Resolution of Inverse Problems for Nonlinear, Transient Structural Dynamics,” European Journal of Finite Elements, Special Issue on Computational Structural Analysis, Edited by Guedra-Degeorges, D., Ladevèze, P., and Raous, M., Vol. 9, No. 1-3, March 2000, pp. 173-197. LA-UR-00-0090. Peer-reviewed.

Hemez, F.M., Doebling, S.W., “Test-Analysis Correlation and Finite Element Model Updating for Nonlinear, Transient Dynamics,” 17th SEM International Modal Analysis Conference (IMAC-XVII), Kissimmee, Florida, February 8-11, 1999, pp. 1501-1510. LA-UR-98-4573. Proceedings.

Hemez, F.M., Doebling, S.W., “A Validation of Bayesian Finite Element Model Updating for Linear Dynamics,” 17th SEM International Modal Analysis Conference (IMAC-XVII), Kissimmee, Florida, February 8-11, 1999, pp. 1545-1555. LA-UR-98-4575. Proceedings.

Hemez, F.M., Pagnacco, E., “Statics and Inverse Dynamics Solvers Based on Strain-Mode Disassembly,” European Journal of Finite Elements, Vol. 9, No. 5, June 2000, pp. 511-560. LA-UR-98-1359 and LA-UR-98-2502. Peer-reviewed. (Size: 729 KBytes; PDF File.)

Tippetts, T.B., Hemez,, F.M., “Non-Linear Models of Composite Laminates,” 23rd SEM International Modal Analysis Conference (IMAC-XXIII), Orlando, Florida, January 31-February 3, 2005. LA-UR-04-8100.Proceedings. (Size: 132 KBytes; PDF File.)

Generalized Information Theory and Applications

Hemez, F.M., Wilson, A.C., Doebling, S.W., “Design of Computer Experiments for Improving an Impact Test Simulation,” 19th SEM International Modal Analysis Conference (IMAC-XIX), Kissimmee, Florida, February 5-8, 2001. LA-UR-00-4946. Proceedings. (Size: 288 KBytes; PDF File.)

Ross, T.J., Booker, J.M., Hemez, F.M., Anderson, M.C., Reardon, B.J., Joslyn, C.A., “Quantifying Total Uncertainty Using Different Mathematical Theories in a Validation Assessment,” 9th ASCE Joint Specialty Conference on Probabilistic Mechanics and Structural Reliability, Albuquerque, New Mexico, July 26-28, 2004. LA-UR-04-2862. Proceedings. (Size: 226 KBytes; PDF File.)

Reda Taha, M.M., Lucero, J., “A Generic Fuzzy Metric for Damage Recognition in Structural Health Monitoring Systems,” 2005 IEEE International Conference on Systems, Man, and Cybernetics, Big Island, Hawaii, October 10-12, 2005. LA-UR-05-2142. Proceedings. (Size: 133 Kbytes; PDF File.)

Information-gap Robustness and the Convex Modeling of Uncertainty

Hemez, F.M., Ben-Haim, Y., “Info-gap Robustness for the Correlation of Tests and Simulations of a Non-linear Transient,” Mechanical Systems and Signal Processing, Vol. 18, March 2004, pp. 1443-1467. LA-UR-02-3538. Peer-reviewed. (Size: 725 KBytes; PDF File.)

Hemez, F.M., “Developing Information-gap Models of Uncertainty for Test-analysis Correlation,” LANL Uncertainty Quantification Working Group (UQWG), Los Alamos National Laboratory, Los Alamos, New Mexico, December 12, 2002. LA-UR-02-4033. View-graphs. (Size: 926 KBytes; PDF File.)

Hemez, F.M., Doebling, S.W., Ben-Haim, Y., “Applying Information-gap Reasoning to the Predictive Accuracy Assessment of Transient Dynamics Simulations,” 8th International Conference on Recent Advances in Structural Dynamics, Institute for Sound and Vibration Research, Southampton, United Kingdom, July 14-16, 2003. Paper SD-2003-069. LA-UR-02-7818. Proceedings. (Size: 216 KBytes; PDF File.)

Model Screening and Identification

Kerschen, G., Golinval, J.C., Hemez, F.M., “Bayesian Model Screening for the Identification of Non-linear Mechanical Structures,” ASME Journal of Vibration and Acoustics, Vol. 125, July 2003, pp. 389-397. LA-UR-02-2787. Peer-reviewed. (Size: 316 KBytes; PDF File.)

Verification, Validation, and Uncertainty Quantification (applications)

Doebling, S.W., Hemez, F.M., Schultze, J.F., “Validation of the Transient Structural Response of a Threaded Assembly,” 4th AIAA Non-deterministic Approaches Forum, Denver, Colorado, April 22-25, 2002. Paper AIAA-2002-1644. LA-UR-02-2307. Proceedings. (Size: 923 KBytes; PDF File.)

Hemez, F.M., “Estimating the Prediction Accuracy of High-rate, High-temperature Constitutive Models for Taylor Impact Applications,” 7th International Conference on Computational Plasticity(COMPLAS VII), Barcelona, Spain, April 7-10, 2003. Edited by E. Oñate and D.R.J. Owen. LA-UR-02-6646. Proceedings. (Size: 404 KBytes; PDF File.)

Shinn, R., Hemez, F.M., Doebling, S.W., “Estimating the Error in Simulation Prediction Over the Design Space,” 44th AIAA / ASME / ASCE / AHS Structures, Structural Dynamics, and Materials (SDM) Conference, Norfolk, Virginia, April 7-10, 2003.Paper AIAA-2003-1672. LA-UR-03-2152. Proceedings. (Size: 500 KBytes; PDF File.)

Hemez, F.M., “Estimating the Error in Simulation Prediction Over the Design Space,” LANL Uncertainty Quantification Working Group (UQWG), Los Alamos National Laboratory, Los Alamos, New Mexico, August 27, 2002. LA-UR-03-2425. View-graphs. (Size: 1,113 KBytes; PDF File.)

Hemez, F.M., Tippetts, T.B., “Verification and Validation of a Composite Model,” Internal Report, Los Alamos National Laboratory, Los Alamos, New Mexico, December 2004. LA-UR-04-8195. Report. (Size: 565 KBytes; PDF File.)

Robertson, A.N., Hemez, F.M., Salazar, I.F., Duffey, T., “Modal Testing Repeatability of a Population of Spherical Shells,” Internal Report, Los Alamos National Laboratory, Los Alamos, New Mexico, May 2004. LA-14109-MS. Report. (Size: 955 KBytes; PDF File.)

Verification, Validation, and Uncertainty Quantification (overview)

Hemez, F.M., Doebling S.W., Wilson, A.C., “Discussion of Model Calibration and Validation for Transient Dynamics Simulation,” 20th International Modal Analysis Conference (IMAC-XX), Los Angeles, California, February 4-7, 2002. LA-UR-01-6574. Proceedings. (Size: 188 KBytes; PDF File.)

Hemez, F.M., “Engineering Applications of Large-scale Computing: Discussion of the Challenges and Opportunities of TeraOps Computing,” 2003 Workshop on Uncertainty in Structural Dynamics, University of Southampton, Southampton, United Kingdom, July 17, 2003. LA-UR-03-4604. View-graphs. (Size: 1,356 KBytes; PDF File.)

Hemez, F.M., “Overview of Uncertainty Quantification and Model Verification and Validation,” Pan American Advanced Study Institute (PASI) on Damage Prognosis, Florianopolis, Brazil, October 19-31, 2003. LA-UR-03-7640. View-graphs. (Size: 3,539 KBytes; PDF File.)

Hemez, F.M., “Uncertainty Quantification and the Verification and Validation of Computational Models,” Damage Prognosis for Aerospace, Civil and Mechanical Systems, Edited by D.J. Inman, C.R. Farrar, V. Lopes Jr., and V. Steffen Jr., John Wiley & Sons Ltd., London, United Kingdom, December 2004. LA-UR-03-8491. Book chapter. (Size: 759 KBytes; PDF File.)

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